She listened for his key in the latch.
她留神听着他把钥匙插入门锁。
There are still plenty of latch-key kids whose parents give them a lot ofindependence, by choice or by necessity.
由于选择或者是必要性的，仍然有很多自带钥匙的孩子，他们的父母给予他们很多自由。
He let himself in the flat with a latch-key.
他用钥匙打开弹簧锁进入公寓。
He let himself into the flat with a latch - key.
他用钥匙打开弹簧锁进入公寓。
Slam latch is screwed onto latch support which is either screwed or welded to the door. Assembled without insert it can be opened with a tapered square key. Bolt has free stroke.
这种锁舌用螺丝装在锁支架上，而锁支架用螺丝固定或焊接在门上，无锁芯的装配时，可用锥形四方匙开启锁栓为自由行程。
A key for opening a latch or lock, especially one on an outside door.
她用钥匙把弹簧锁打开后进去了。
A grandmother friend I chatted with last week told me that she had been a latch-key child and there were lots of benefits.
我有一位祖母级的朋友，上周我们聊天时她说道自己从前就是一个挂钥匙儿童，这样其实好处颇多。
A. Surface Closers: BHMA A156.4; rack-and-pinion hydraulic type with adjustable sweep and latch speeds controlled by key-operated valves and forged-steel main arm.
外露的闭门器：BHMAA156.4，齿条和小齿轮和液压式可调闩锁速度，由钥匙阀和锻造钢铁主臂控制。
The key circuit design includes a sample-and-hold gain circuit using switched-capacitor to sample or hold the signal and a preamplifier-latch comparator using two-phase clock.
在电路设计中主要包括开关电容采样的全差分运放组成的采保增益电路和两相时钟控制的带预放大器的锁存比较器。
The key circuit design includes a sample-and-hold gain circuit using switched-capacitor to sample or hold the signal and a preamplifier-latch comparator using two-phase clock.
在电路设计中主要包括开关电容采样的全差分运放组成的采保增益电路和两相时钟控制的带预放大器的锁存比较器。
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